Detailed Description

The 3M Ergonomic Optical Mouse is clinically proven to reduce muscle strain and discomfort associated with carpal tunnel syndrome and repetitive stress injury. Its unique design places your mousing hand, wrist and arm in a more ergonomic position compared to a standard mouse. Comes in two sizes for more comfortable mousing. Key Features * Innovative vertical design keeps the arm in a comfortable, more neutral and natural "handshake" position * Uses larger muscles to move mouse, reducing risk of discomfort * Left and right click functions using the thumb button on the top of the vertical grip * Easy electronic scrolling function reduces scrolling to a single click (PC model only) * Available in two sizes: small/medium and large * Included software provides user with option for daily ergonomic tips * Easy installation * USB connector with PS/2 adapter * Compatible with PC, Macintosh, and iMac computers with USB ports * Includes a two year warranty and a 30-day money-back guarantee